Finding the Fourth Proportional to 843,174.39, 1,163,551.64 and 480,714.99
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Solution
The fourth proportional to 843,174.39, 1,163,551.64 and 480,714.99 is: 663,370.13
Step by Step Solution
- Step 1: Write the proportion equation
843,174.39 : 1,163,551.64 = 480,714.99 : x - Step 2: Convert to fraction form
843,174.39/1,163,551.64 = 480,714.99/x - Step 3: Cross multiply
843,174.39x = 1,163,551.64 × 480,714.99 - Step 4: Simplify right side
843,174.39x = 559,336,708,220.19 - Step 5: Solve for x
x = 559,336,708,220.19/843,174.39 - Step 6: Final answer
x = 663,370.13
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.